Snowflakes are groups of 2 frozen ice crystals stuck together which fall through the Earth's atmosphere. They begin as two snow crystals which develop when microscopic supercooled cloud droplets freeze.

Eyelashes are meant to protect the eye from debris and airborne attacks, they perform some of the same function as whiskers do on a cat or a mouse in the sense that they are sensitive to being touched, providing a slight warning that an object is near the eye.